public ProblemQuestionRelationship(Problem problem, Question question, int possibleAnswersCount, int negativeAnswersCount)
: base(DataBaseContext.Session)
{
_problem = problem;
_question = question;
PossibleAnswersCount = possibleAnswersCount;
NegativeAnswersCount = negativeAnswersCount;
}
private void simpleButton1_Click(object sender, EventArgs e)
{
var newQuestion = new Question(newQuestionText.Text);
DataBaseContext.CreateQuestion(newQuestion);
var relation1 = new ProblemQuestionRelationship(_problem1, newQuestion, Int32.Parse(prob1Yes.Text),
Int32.Parse(prob1No.Text));
var relation2 = new ProblemQuestionRelationship(_problem2, newQuestion, Int32.Parse(prob2Yes.Text),
Int32.Parse(prob2No.Text));
DataBaseContext.CreateRelationship(relation1);
DataBaseContext.CreateRelationship(relation2);
this.Close();
}
private void OnAnswerGiven(object sender, AnswerEventArgs answerEventArgs)
{
try
{
ProblemDetector.AnswerCalculation(_currentQuestion, answerEventArgs.Result);
problemsListBox.DataSource = ProblemDetector.ProblemRatios;
problemsListBox.DisplayMember = "Problem.ShortName";
problemsListBox.Refresh();
_currentQuestion = ProblemDetector.GetNextQuestion();
questionTextLabel.Text = _currentQuestion.QuestionText;
}
catch (NullReferenceException exception)
{
new AddNewQuestion(ProblemDetector.ProblemRatios[0].Problem, ProblemDetector.ProblemRatios[1].Problem)
.ShowDialog();
detectedProblemLabel.Text = ProblemDetector.ProblemRatios[0].Problem.ShortName;
xtraTabControl1.SelectedTabPageIndex = 2;
}
}
public static void AnswerCalculation(Question question, bool? answer)
{
_askedQuestionsNoStat.Add(question);
if (!answer.HasValue)
{
return;
}
_askedQuestions.Add(new Tuple<Question, bool?>(question, answer));
Debug.Print("Answer calculation started: Q: {0}. A: {1}", question.Oid, answer);
foreach (ProblemQuestionRelationship relationship in question.Relationships)
{
double coef = answer.Value
? relationship.PossibleAnswersCount/
(relationship.PossibleAnswersCount + relationship.NegativeAnswersCount)
: relationship.NegativeAnswersCount/
(relationship.PossibleAnswersCount + relationship.NegativeAnswersCount);
ProblemRatio problem = ProblemRatios.FirstOrDefault(p => p.Problem == relationship.Problem);
if (problem == null)
{
continue;
}
double currentProblemDetectCount = problem.Problem.DetectedCount == 0.0
? 1.0
: problem.Problem.DetectedCount;
double globalProblemDetectCount = DataBaseContext.General == 0.0
? 1.0
: DataBaseContext.General;
double problemFrequency = currentProblemDetectCount/globalProblemDetectCount;
problem.Ratio += coef*problemFrequency;
Debug.Print("Answer calculated! Problem {0} {1}+{2}", problem.Problem.Oid, problem.Ratio, coef);
}
ProblemRatios = new ObservableCollection<ProblemRatio>(ProblemRatios.OrderByDescending(o => o.Ratio));
if (_askedQuestions.Count == 1)
{
NextQuestionOrSuggestion(true);
}
else
{
NextQuestionOrSuggestion();
}
}
public ProblemQuestionRelationship(Problem problem, Question question)
: this(problem, question, 0, 0)
{
}
public QuestionFoundEventArgs(Question question)
{
Question = question;
}
private void presetButton4_Click(object sender, EventArgs e)
{
PresetFacade.Presets[0].MakePreset();
_currentQuestion = ProblemDetector.GetNextQuestion();
questionTextLabel.Text = _currentQuestion.QuestionText;
}
private void unsolvedButton_Click(object sender, EventArgs e)
{
ProblemDetector.WrongProblem(ProblemDetector.ProblemRatios[0]);
_currentQuestion = ProblemDetector.GetNextQuestion();
questionTextLabel.Text = _currentQuestion.QuestionText;
}
public static void CreateQuestion(Question question)
{
_questions.Add(question);
_session.Save(_questions);
Debug.Print("Question {0} saved", question.QuestionText);
}
